Expanders and SPI-4

Elliott, Robert (Hou) Robert.Elliott at COMPAQ.com
Wed Mar 1 14:05:06 PST 2000

* From the T10 Reflector (t10 at t10.org), posted by:
* "Elliott, Robert (Hou)" <Robert.Elliott at compaq.com>

Date:  February 24, 2000
Subject: Message to T10 regarding requirements for SPI-4

The undersigned companies endorse the following as requirements for SPI-4

Many applications for SPI-4 (Ultra 320) SCSI require expanders to function
as needed.  Expanders require certain functionality from initiators and
targets.  Therefore SPI-4 must contain as normative requirements the

1. Definition of simple expander port requirements
2. Inclusion of domain validation level 1 in all initiator ports
3. Inclusion of minimal target requirements to support (1) and (2)

Endorsed by:

LSI Logic

PC: Robert.Elliott at compaq.com
UNIX: relliott at hobbit.eng.hou.compaq.com

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